Question

(ii) 30 + (-30) + (-60)+(-18)
(iv) 70+ (-18) + (-10) + (-17)
in length. sentence​

Answer 1

Answer:

$30 + ( - 30) + ( - 60) + ( - 18) \\ = 30 + ( - 90) + ( - 18) \\ = 30 - 90 - 18 \\ = - 60 - 18 \\ = - 78$

$70 + ( - 18) + ( - 10) + ( - 17) \\ = 70 - 18 - 10 - 17 \\ = 60 - 25 \\ = 35$